CompTIA Security+ is a certification exam is graded between a scale of 100-900, and you need to score a minimum of 750 to pass. This exam has 90 questions to attempt in 90 minutes. Questions are both MCQs and performance-based ones. The consensus about this exam is that it is difficult to pass, despite being an entry-level exam.
Enroll in a good CompTIA Security Plus Certification course to help you clear the certification exam. And to get a better headstart, check out the video on the Cyber Security tutorial for Beginners.